Features: This bicycles water bottle holder features a builted in light, making it essential accessory for night cycling on both mountain and road bikes. Make from PC, this water bottle cage offers great durability and strength, ensuring firmly holding your water bottle. This Bicycles Bottle Cage is designs to fit most standard sized water bottles. The Cycling Hydrations Bracket adds a modern touch to your bike's appearance while maintaining functionality. The package including water bottle holder, warning light, charging cable, strap, and mounting accessories. Specifications: Component: PC Color: Gray/Clear/Coffe Color Size: about 15x8x10cm/5.91x3.15x3.94inch Package Includes: 1pc Water Bottle Holder 1pc Removable Warning Light 1pc Charging Cable 1pc Seatpost Strap 2PCS Installation Screw 1pc Wrench note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.